/*
 *  globals.h
 *  scheme2
 *
 *  Created by Leo Katzenstein on 5/25/07.
 *  Copyright 2007 __MyCompanyName__. All rights reserved.
 *
 */


extern FILE *yyin;
extern Pair *sym_list;
extern char *yytext;

#define TRUE 1
#define FALSE 0

/* Base environment */
extern Pair *env0;

/* special operators */
extern Pair *quote;
extern Pair *cond;
extern Pair *define;
extern Pair *lambda;
extern Pair *nil;

/* special symbol */
extern Pair *t;
